Powered wearable hip exercise device to improve walking and balance in people with hip disease.

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is an investigator-initiated exploratory pilot with a single group of 30 participants to measure gait and balance with and without an electrically powered orthopedic exercise device. Participants undergo standardized gait and balance tests (10-Meter Walk Test, 6-Minute Walk Test, Timed Up and Go, Berg Balance Scale) under supervised conditions with rest periods between assessments. Device use, fitting, and all assessments are conducted under the prescription and guidance of rehabilitation specialists and trained staff. The study compares performance in non-wearing and wearing conditions to characterize safety and short-term functional effects.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Individuals aged 19 or older
2. Individuals diagnosed with hip osteoarthritis of Kellgren-Lawrence (K-L) Grade 1-4
3. Individuals diagnosed with avascular necrosis of the femoral head at Association Research Circulation Osseous(ARCO) Stage 1-4
4. Individuals able to sit at the edge of a bed without assistance and stand for 10 seconds regardless of support
5. Individuals who are Functional Ambulatory Category (FAC) score of 1-3
6. Individuals who visited Yongin Severance Hospital, understood the study, and signed informed consent
7. Individuals who have adequate cognitive ability (Korean Mini-Mental State Examination score ≥ 20)

Exclusion Criteria:

1. Individuals who have contraindications for lower limb weight-bearing such as severe joint contractures, osteoporosis, or untreated fractures
2. Individuals who have progressive or unstable brain diseases or neurological paralysis from stroke
3. Individuals who have active infections or open wounds hindering device use
4. Individuals who have significant leg length discrepancies
5. Individuals who have severe deformities or contractures in the lower extremities
6. Individuals who have history of poliomyelitis
7. Individuals inable to maintain seated or standing positions independently
8. Individuals who have severe spasticity (Modified Ashworth Scale grade ≥ 2)
9. Individuals who have bone metastases from cancer
10. Individuals who have severe internal diseases affecting device use (e.g., cardiovascular or respiratory diseases)
11. Individuals who have cognitive impairments preventing cooperation with device use
12. Individuals who have complaints of device-related side effects or potential rehabilitation discontinuation
13. Patients who are determined to be pregnant or potentially pregnant based on the medical interview
14. Individuals who have any other clinically significant findings deemed inappropriate by the investigator

Where it's running

• Yongin Severance Hospital
  Yongin-si, Gyeonggi-do, South Korea, South Korea Recruiting

Study contacts

• Principal investigator: Na Young Kim, MD, PhD — Severance Hospital
• Study coordinator: Na Young Kim, MD, PhD
• Email: kny8452@yuhs.ac
• Phone: +82 010 9127 4482

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.